An externally threaded cylindrical item, usually containing a fusible core, or a tapered smooth finished press-in insert made entirely of metallic eutectic substance. If without core, the item may be machined internally or have provisions to accomodate same. It is a safety device for aircraft wheels (prevents heat induced tire explosion), boilers, compressors, and similar equipment.
NSN 6220-00-225-3780
NSN 6685-00-411-2367
NSN 2925-01-226-6126
NSN 5905-01-622-2759
NSN 5960-00-584-4553
NSN 5990-00-655-3065
NSN 6135-01-231-4809
NSN 6320-01-554-0901
NSN 6110-00-701-0765
NSN 6645-01-624-4351
NSN 7035-01-651-9751
NSN 5975-01-422-0784